Based on this product's specifications, here are some alternatives and similar models
APC BE650G2-FR Uninterruptible Power Supply UPS Standby Offline 0.65 kVA 400 W
Summary description:
The APC BE650G2-FR is a compact uninterruptible power supply with a standby topology, providing 0.65 kVA and 400 W output power. It features a battery life of up to 5 years and a recharge time of 16 hours. With a cable length of 1.83 m, it is suitable for various devices, ensuring reliable power backup.